DR. JOHN E HERZENBERG M.D.
NPI 1922041557
Orthopaedic Surgery in Baltimore, MD
About Dr. John E Herzenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN E HERZENBERG M.D. (NPI 1922041557) is an individual orthopaedic surgery provider in Baltimore, Maryland, licensed in Maryland (D42214) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John E Herzenberg M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Herzenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21215
- Reassigned Medicare billing, Maryland enrollment
- 664 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21215
BALTIMORE, MD 21215
BALTIMORE, MD 21215
BALTIMORE, MD 21215
BALTIMORE, MD 21215
BALTIMORE, MD 21215
BALTIMORE, MD 21215
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Herzenberg's NPI number?
The NPI number for John Herzenberg is 1922041557. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is John Herzenberg located?
John Herzenberg practices at 2401 W Belvedere Avenue Rubin Institute For Advanced Orthopedics, Baltimore, MD 21215. The listed phone number is (410) 601-8700.
What is John Herzenberg's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Herzenberg enrolled in Medicare?
Yes. John Herzenberg is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Herzenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Herzenberg reassigns Medicare benefits to Sinai Hospital Of Baltimore Inc (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Herzenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Herzenberg was last updated on November 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John E Herzenberg, M.D. · NPI 1922041557
Orthopaedic Surgery physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1922041557 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** D42214 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 W BELVEDERE AVENUE, RUBIN INSTITUTE FOR ADVANCED ORTHOPEDICS, Baltimore, MD 21215
- **Phone:** (410) 601-8700 · **Fax:** (410) 601-9575
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sinai Hospital Of Baltimore Inc (NPI 1043235666, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 29, 2007
- **Other identifiers:** Medicare UPIN B49194 (MD); Medicare PIN 956L44XX (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1922041557) · Data from the CMS NPPES public registry.